Inside corner building trim



FIG. 1 is a front perspective view of an inside corner building triminstalled on a wall being constructed, showing my new design;

FIG. 2 is a rear perspective view of the inside corner building trim

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of the wall is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for an “inside corner building trim,” as shown anddescribed.